roundcube-aliasmanager/skins/elastic/templates/settings.html

<div id='aliasmanager-settings' class="scroller">
    <div class="boxcontent formcontent">
        <form id="password-form" name="password-form" method="post" action="./?_task=settings&_action=plugin.password-save">
            <table class="propform">
                <tbody>
                    <tr class="form-group row">
                        <td class="title col-sm-2">
                            <label for="alias-new-name" class="col-form-label">New alias for</label>
                        </td>
                        <td class="col-sm-2">
                            <input id="alias-new-name" size="60" required name="alias_new_name" class="form-control" placeholder="Service name.." type="text">
                        </td>
                        <td class="col-sm-1">
                            <button class="button submit btn btn-primary btn-aliasmanager-add-alias" type="button">Add</button>
                        </td>
                    </tr>
                    <tr class="form-group row">
                        <table>
                            <thead>
                                <tr>
                                    <th>Alias</th>
                                    <th>Enabled</th>
                                    <th>Action</th>
                                </tr>
                            </thead>
                            <tbody class="alias-list"></tbody>
                        </table>
                    </tr>
                </tbody>
            </table>
        </form>
    </div>
</div>

<template id="alias-list-row">
    <tr class="form-group">
        <td>
            <input style="background: transparent;border: none;outline: none;width: 100%; cursor: pointer; font-family: monospace;" readonly type="text" value="{email}" onclick="this.select();">
        </td>
        <td>
            <div class="custom-control custom-switch">
                <input type="checkbox" id="toggle-active-{i}" value="{active}" {checked} data-email="{email}" class="form-check-input custom-control-input btn-aliasmanager-toggle-alias">
                <label for="toggle-active-{i}" class="custom-control-label" title=""></label>
            </div>
        </td>
        <td>
            <button class="button btn-sm btn-danger btn-aliasmanager-delete-alias" data-email="{email}" type="button">Delete</button>
        </td>
    </tr>
</template>